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I believe to have a very simple problem but I'm somehow too stupid to solve it. I want to fit a wooden rod in between two plates. To do so, I need to cut off the top and the bottom end so that the ends of the rods lie flat on the surfaces of the top and bottom plates.

I have tried the following:

  • Use the shear operation. But it turns out it doesn't work like intended when the rod is already rotated (I'm confused however why this is?). Shearing also begs the problem that there is no option to adjust the face to exactly horizontal (or is there?)
  • Use edge slide without clamping (c). I thought this would work great combined with the snapping options, so that the top and bottom edges of one end would snap neatly to the top face of the bottom plane for example. It turns out to be quite buggy and it snaps to everything else than the top and bottom plane.

Now I'm wondering whether there is an easy option to solve this seemingly easy problem :/ Any ideas?

wooden rod in between two planes

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    $\begingroup$ you can cut orthogonally with the Knife tool (K to activate the knife, Z to cut through, C to cut orthogonally), you can also use the Bisect tool... but do you need to join your middle bar to the other ones? $\endgroup$
    – moonboots
    Commented Aug 8, 2020 at 11:52
  • $\begingroup$ This is simple topology, so using boolean should be fine. Just make middle rod longer to overlap two rods on sides and use difference operation to cut the centre one. $\endgroup$
    – Shubol3D
    Commented Aug 8, 2020 at 12:22
  • $\begingroup$ thanks @moonboots that's the solution :) didn't know you could cut through with knife $\endgroup$
    – glades
    Commented Aug 8, 2020 at 13:04

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The Shear tool won't work the way you want because your object is oblique. The Shear tool moves the selected vertices on one of the 3 axis, it doesn't slide the vertices along the existing edges, therefore the object you want to shear needs to be parallel to one of these axis if you don't want it to be deformed, and it is not the case here. Examples with shear on the Y axis:

enter image description here enter image description here

In your case the solution is to use the Knife tool (K to activate, Z to cut through, C to cut perpendicullary).

That said, we don't know if you want to merge your bar with the other ones, in that case you'd better use the Bridge tool to join 2 faces of the horizontal bars.

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There is bunch of options

Modeling from scratch

  • add Plane
  • rotate on Y axis
  • in edit mode Extrude along X axis

enter image description here

Adjust ends

  • select top edge
  • move G on Z local axis

enter image description here

  • or use Edge Slide (press G twice)

Cuts

mentioned in comments

  • Boolean operation (by Cube can be cut done at once)

enter image description here

  • Knife (see moonboots answer)
  • Bisect Tool

In some cases you can try Remesh Modifier https://blender.stackexchange.com/a/165574/2214

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    $\begingroup$ I see what you are doing, but I'd like to adjust the rotation after the extrude so i can fit it in and then cut it. $\endgroup$
    – glades
    Commented Aug 8, 2020 at 13:03
  • $\begingroup$ Edit: added few more options ... $\endgroup$
    – vklidu
    Commented Aug 8, 2020 at 14:23

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